... delivery time.4. Usage: Natural color sand are the main raw material of the stone lacquer, natural real paint, granite paint, anti ... on. With wear-resistant anti-burning, waterproof, corrosion-resistant, non-toxic, colorful and attractive, such as strong adhesive characteristics, ... , natural colors, does not contain any added dyes with non-toxic, tasteless and pollution-free, anti-corrosion, acid and ...